Introduction to Unix
- This document is intended to introduce you to the UNIX operating system. It will provide you with a basic understanding of the UNIX operating system, its file and directory structure, basic UNIX commands, and how to get on-line help.

On the Design of the UNIX operating System
- This article was written about 10 years ago, and published in various UNIX newsletters across the world. I thought that it should be revived to mark the first 25 years of UNIX.

Plan 9
- A new computer operating system and associated utilities. It has been built over the past several years by the Computing Science Research Center of AT&T Bell Laboratories, the same group that developed Unix, C, and C++.

Quick Unix Guide
- The purpose of this training page is to give you some background on the more common and useful commands of unix.